16 BALDWIN & LYONS, INC. FORM 10-Q, EXHIBIT 11 COMPUTATION OF EARNINGS PER SHARE THREE MONTHS ENDED MARCH 31 ----------------------------------------- 2006 2005 ------------------ ------------------ BASIC: Average number of shares outstanding 14,804,684 14,723,814 ================== ================== Net Income $11,556,160 $10,346,474 ================== ================== Per share amount $ .78 $ .70 ================== ================== DILUTED: Average number of shares outstanding 14,804,684 14,723,814 Dilutive stock options--based on treasury stock method using average market price 83,956 120,933 ------------------ ------------------ Totals 14,888,640 14,844,747 ================== ================== Net Income $11,556,160 $10,346,474 ================== ================== Per share amount $ .78 $ .70 ================== ==================